On Sunday, March 26, at 9 a.m., please join CBS congregant Newman Fisher for a talk on Jewish cryptology. Cryptology literally means “secret writing.” More generally, the word describes the creation of protocols used to write messages that can be understood only by one’s intended audience and not by any adversaries. The history of cryptology […] http://bethsholomsf.org/dr-e-m-weitz-breakfast-club-march-26/Continue Reading...